7. Coated diaphragm Diaphragms are crucial for the safety of lithium-ion batteries, as they require good electrochemical and thermal stability, as well as high wettability of the electrolyte during repeated charging and discharging processes. Coated diaphr...

The advantages of lithium rich base as a positive electrode material include: High energy density and abundant important raw materials Due to the short development time, there are currently a series of issues with lithium rich manganese based materials:...

4. Carbon nanotubes Carbon nanotubes are a type of graphitized carbon material with excellent electrical conductivity. However, due to their small depth and short travel during lithium removal, they are less useful as negative electrode materials for polarization during high...

Long cycle life (up to 10000 cycles or more), belonging to zero strain materials (volume change less than 1%), without generating traditional SEI films; High security. It has a high lithium insertion potential, does not generate dendrites, and has extremely high thermal stab...

During the charging and discharging process, the volume expansion can reach 300%, which can lead to the pulverization of silicon material particles and cause material capacity loss. Poor suction ability at the same time. Poor cycle life. At present, the above problems are be...

1. Silicon carbon composite negative electrode material After the large screen and diversified functions of digital terminal products, new requirements have been put forward for battery life. The current low capacity of lithium battery materials cannot meet the increasing de...

18650 battery cannot be charged into electrolysis solution: 1. The charger interface is aging or the charger itself is damaged. Replace with a new charger for testing. 2. There is an issue with the quality of the charging circuit. Replace with a new pipeli...

Reasons for the inability to charge 18650 lithium-ion batteries 1. Internal charging circuit malfunction, unable to charge normally. 2. There is an internal malfunction in the 18650 lithium-ion battery. 3. The contact between the battery...

Due to the significant difference between polymer lithium-ion batteries and liquid electrolytes in membrane and electrolyte, the preparation process of electrode materials is basically the same as that of liquid electrolytes. The important difference lies in the assembly process of electrolyte...

Analyzed the production process of polymer lithium-ion batteries Production of polymer lithium-ion batteries: The important raw materials for lithium polymer batteries include lithium oxide, graphite, solid polymer electrolyte, metal collection solution, c...